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From: martin rudalics <rudalics@gmx.at>
To: awrhygty@outlook.com, 53216@debbugs.gnu.org
Subject: bug#53216: 27.2; last line may be hidden in multi-line message
Date: Thu, 13 Jan 2022 10:09:44 +0100	[thread overview]
Message-ID: <57aa992d-d2c4-ecf5-f634-bac41cfa447b@gmx.at> (raw)
In-Reply-To: <TYZPR01MB392015B48344328F5876F3ECC3529@TYZPR01MB3920.apcprd01.prod.exchangelabs.com>

[-- Attachment #1: Type: text/plain, Size: 648 bytes --]

 > Evaluate the form below and type 't', multi-line message is shown.
 > But I only see line '9' and line '10'.
 > The last line '11' is not shown.
 >
 > (let ((buf (generate-new-buffer "tmp"))
 >        (map (make-sparse-keymap))
 >        (func (lambda ()
 >                (interactive)
 >                (message (propertize "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11"
 >                                     'face '(:height 5.0))))))
 >    (switch-to-buffer buf)
 >    (define-key map "t" func)
 >    (use-local-map map))

The attached patch seems to fix this here but
'redisplay-adhoc-scroll-in-resize-mini-windows' is terra incognita for
me.

martin

[-- Attachment #2: xdisp.c.diff --]
[-- Type: text/x-patch, Size: 579 bytes --]

@@ -12295,7 +12299,7 @@ resize_mini_window (struct window *w, bool exact_p)
                  don't force w->start to be at the beginning of a screen
                  line, important parts of the stuff in the mini-window,
                  such as user prompt, will be hidden from view.  */
-              move_it_by_lines (&it, 0);
+	      move_it_by_lines (&it, last_height > 0 ? 1 : 0);
               start = it.current.pos;
               /* Prevent redisplay_window from recentering, and thus from
                  overriding the window-start point we computed here.  */

      parent reply	other threads:[~2022-01-13  9:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-12 17:06 bug#53216: 27.2; last line may be hidden in multi-line message awrhygty
2022-01-12 19:24 ` Eli Zaretskii
2022-01-13  9:09 ` martin rudalics [this message]

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